1981 Lotus Esprit vs. 1963 Sunbeam Alpine
To start off, 1981 Lotus Esprit is newer by 18 year(s). Which means there will be less support and parts availability for 1963 Sunbeam Alpine. In addition, the cost of maintenance, including insurance, on 1963 Sunbeam Alpine would be higher. At 2,174 cc (4 cylinders), 1981 Lotus Esprit is equipped with a bigger engine. In terms of performance, 1981 Lotus Esprit (159 HP @ 6500 RPM) has 78 more horse power than 1963 Sunbeam Alpine. (81 HP @ 5200 RPM). In normal driving conditions, 1981 Lotus Esprit should accelerate faster than 1963 Sunbeam Alpine. With that said, vehicle weight also plays an important factor in acceleration. 1981 Lotus Esprit weights approximately 37 kg more than 1963 Sunbeam Alpine. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1981 Lotus Esprit (221 Nm @ 5000 RPM) has 95 more torque (in Nm) than 1963 Sunbeam Alpine. (126 Nm @ 3600 RPM). This means 1981 Lotus Esprit will have an easier job in driving up hills or pulling heavy equipment than 1963 Sunbeam Alpine.
Compare all specifications:
| 1981 Lotus Esprit | 1963 Sunbeam Alpine | |
| Make | Lotus | Sunbeam |
| Model | Esprit | Alpine |
| Year Released | 1981 | 1963 |
| Engine Position | Middle | Front |
| Engine Size | 2174 cc | 1592 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 159 HP | 81 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 221 Nm | 126 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Bore Size | 95.3 mm | 81.5 mm |
| Engine Stroke Size | 76.2 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1067 kg | 1030 kg |
| Vehicle Length | 4200 mm | 3950 mm |
| Vehicle Width | 1860 mm | 1540 mm |
| Vehicle Height | 1120 mm | 1310 mm |
| Wheelbase Size | 2490 mm | 2190 mm |
| Fuel Tank Capacity | 31 L | 40 L |
